Symposium on Pedestrian Friction Denver, Colo, American Society for Testing and Materials. Subcommittee E17.26 on Methods of Measuring Pedestrian Friction, Anderson, C., & Senne, J. (1978). Walkway surfaces: Measurement of slip resistance : a symposium, Denver, Colo., 30 June, 1977. ASTM.
Chicago Style (17th ed.) CitationSymposium on Pedestrian Friction Denver, Colo, American Society for Testing and Materials. Subcommittee E17.26 on Methods of Measuring Pedestrian Friction, Carl Anderson, and John Senne. Walkway Surfaces: Measurement of Slip Resistance : A Symposium, Denver, Colo., 30 June, 1977. Philadelphia: ASTM, 1978.
MLA (8th ed.) CitationSymposium on Pedestrian Friction Denver, Colo, et al. Walkway Surfaces: Measurement of Slip Resistance : A Symposium, Denver, Colo., 30 June, 1977. ASTM, 1978.